extra points and brainliest will be given. : ) you

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

Give the biological term for: structures that display characteristics of living organisms only within living cells

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f